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| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C |
| POP: 60% | POP: 70% | POP: 60% | POP: 70% | POP: 10% | POP: 30% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 814 AM MDT Thu Sep 17 2026 
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Issued: 601 AM MDT Thu Sep 17 2026
Key Messages
- Flash flooding will be possible for the coming days as record moisture propagates through eastern Utah and western Colorado.
- Flood Watches remain in effect for SE Utah and SW Colorado through this evening.
- Impacts from flash flooding could observed at multiple locations across the area, with the highest risk likely around slot canyons and burn scars.
Discussion
... Issued at 1050 PM MDT Wed Sep 16 2026
ABUNDANT MOISTURE THROUGH THURSDAY:
We remain under a deep plume of sub-tropical moist...